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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 824 · 40 questions
TalentJR

How to think it through (Test every number): Check each number for a property: even/odd, prime (only two factors), square (4, 9, 16 …), or a multiple of 3, 4, 5 … 9. Find the property that three numbers share and one does not. Make sure no other property points at a different number — then that one is the odd one out.

NameDateTime takenScore ___ / 40
  1. 1.Which number is the odd one out: 60, 5, 41, 11? (a) 60 (b) 5 (c) 41 (d) 11
  2. 2.Which number is the odd one out: 29, 60, 47, 71? (a) 29 (b) 60 (c) 47 (d) 71
  3. 3.Which number is the odd one out: 47, 89, 53, 48? (a) 47 (b) 89 (c) 53 (d) 48
  4. 4.Which number is the odd one out: 85, 50, 55, 24? (a) 85 (b) 50 (c) 55 (d) 24
  5. 5.Which number is the odd one out: 31, 13, 14, 53? (a) 31 (b) 13 (c) 14 (d) 53
  6. 6.Which number is the odd one out: 19, 13, 23, 36? (a) 19 (b) 13 (c) 23 (d) 36
  7. 7.Which number is the odd one out: 30, 24, 48, 5? (a) 30 (b) 24 (c) 48 (d) 5
  8. 8.Which number is the odd one out: 31, 17, 68, 2? (a) 31 (b) 17 (c) 68 (d) 2
  9. 9.Which number is the odd one out: 45, 90, 30, 43? (a) 45 (b) 90 (c) 30 (d) 43
  10. 10.Which number is the odd one out: 89, 23, 18, 17? (a) 89 (b) 23 (c) 18 (d) 17
  11. 11.Which number is the odd one out: 7, 17, 67, 42? (a) 7 (b) 17 (c) 67 (d) 42
  12. 12.Which number is the odd one out: 52, 29, 53, 73? (a) 52 (b) 29 (c) 53 (d) 73
  13. 13.Which number is the odd one out: 3, 79, 51, 33? (a) 3 (b) 79 (c) 51 (d) 33
  14. 14.Which number is the odd one out: 81, 9, 16, 56? (a) 81 (b) 9 (c) 16 (d) 56
  15. 15.Which number is the odd one out: 7, 33, 21, 51? (a) 7 (b) 33 (c) 21 (d) 51
  16. 16.Which number is the odd one out: 5, 83, 45, 17? (a) 5 (b) 83 (c) 45 (d) 17
  17. 17.Which number is the odd one out: 66, 29, 13, 43? (a) 66 (b) 29 (c) 13 (d) 43
  18. 18.Which number is the odd one out: 79, 41, 57, 90? (a) 79 (b) 41 (c) 57 (d) 90
  19. 19.Which number is the odd one out: 89, 17, 16, 97? (a) 89 (b) 17 (c) 16 (d) 97
  20. 20.Which number is the odd one out: 51, 44, 62, 92? (a) 51 (b) 44 (c) 62 (d) 92
  21. 21.Which number is the odd one out: 78, 42, 28, 12? (a) 78 (b) 42 (c) 28 (d) 12
  22. 22.Which number is the odd one out: 37, 73, 89, 82? (a) 37 (b) 73 (c) 89 (d) 82
  23. 23.Which number is the odd one out: 67, 77, 83, 43? (a) 67 (b) 77 (c) 83 (d) 43
  24. 24.Which number is the odd one out: 9, 92, 32, 16? (a) 9 (b) 92 (c) 32 (d) 16
  25. 25.Which number is the odd one out: 2, 47, 86, 71? (a) 2 (b) 47 (c) 86 (d) 71
  26. 26.Which number is the odd one out: 75, 47, 36, 5? (a) 75 (b) 47 (c) 36 (d) 5
  27. 27.Which number is the odd one out: 71, 97, 94, 19? (a) 71 (b) 97 (c) 94 (d) 19
  28. 28.Which number is the odd one out: 89, 94, 23, 47? (a) 89 (b) 94 (c) 23 (d) 47
  29. 29.Which number is the odd one out: 14, 50, 35, 65? (a) 14 (b) 50 (c) 35 (d) 65
  30. 30.Which number is the odd one out: 13, 19, 60, 61? (a) 13 (b) 19 (c) 60 (d) 61
  31. 31.Which number is the odd one out: 76, 71, 97, 19? (a) 76 (b) 71 (c) 97 (d) 19
  32. 32.Which number is the odd one out: 81, 99, 33, 9? (a) 81 (b) 99 (c) 33 (d) 9
  33. 33.Which number is the odd one out: 10, 3, 17, 15? (a) 10 (b) 3 (c) 17 (d) 15
  34. 34.Which number is the odd one out: 87, 97, 73, 47? (a) 87 (b) 97 (c) 73 (d) 47
  35. 35.Which number is the odd one out: 2, 67, 41, 83? (a) 2 (b) 67 (c) 41 (d) 83
  36. 36.Which number is the odd one out: 5, 50, 67, 97? (a) 5 (b) 50 (c) 67 (d) 97
  37. 37.Which number is the odd one out: 85, 53, 41, 59? (a) 85 (b) 53 (c) 41 (d) 59
  38. 38.Which number is the odd one out: 52, 9, 4, 76? (a) 52 (b) 9 (c) 4 (d) 76
  39. 39.Which number is the odd one out: 89, 70, 73, 55? (a) 89 (b) 70 (c) 73 (d) 55
  40. 40.Which number is the odd one out: 11, 72, 41, 29? (a) 11 (b) 72 (c) 41 (d) 29

Answer key

  1. 60
  2. 60
  3. 48
  4. 24
  5. 14
  6. 36
  7. 5
  8. 68
  9. 43
  10. 18
  11. 42
  12. 52
  13. 79
  14. 56
  15. 7
  16. 45
  17. 66
  18. 90
  19. 16
  20. 51
  21. 28
  22. 82
  23. 77
  24. 9
  25. 86
  26. 36
  27. 94
  28. 94
  29. 14
  30. 60
  31. 76
  32. 33
  33. 10
  34. 87
  35. 2
  36. 50
  37. 85
  38. 9
  39. 70
  40. 72

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